... uniformity Working Principles:The Star-shaped Unloader also named Rotating Feeder Equipment or Airlock, with several blades rotor rotating in a ... the function of air locking, it used as the quantitative feeder equipment for grinding and classification, and also can be ... as chemical engineering ,cement,pharmacy,iron and foodstuff. LHX/Y Type Star-shaped Unloader,tripper,rotating feeder,discharg valve